[U-Boot] [PATCH 4/5] NetStar: add RTC support

[Ladislav Michl <ladis@linux-mips.org>]

Add RTC support.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>

--- a/include/configs/netstar.h	2009-03-16 15:42:01.000000000 +0100
+++ b/include/configs/netstar.h	2009-03-16 15:43:33.000000000 +0100
@@ -110,6 +110,14 @@
 #define CONFIG_SYS_NAND_BASE		0x04000000 + (2 << 23)
 #define NAND_ALLOW_ERASE_ALL		1
 
+#define CONFIG_HARD_I2C
+#define CONFIG_SYS_I2C_SPEED		100000
+#define CONFIG_SYS_I2C_SLAVE		1
+#define CONFIG_DRIVER_OMAP1510_I2C
+
+#define CONFIG_RTC_DS1307
+#define CONFIG_SYS_I2C_RTC_ADDR		0x68
+
 
 #define CONFIG_CONS_INDEX		1
 #define CONFIG_BAUDRATE			115200
@@ -133,6 +141,7 @@
  */
 #define CONFIG_CMD_BDI
 #define CONFIG_CMD_BOOTD
+#define CONFIG_CMD_DATE
 #define CONFIG_CMD_DHCP
 #define CONFIG_CMD_SAVEENV
 #define CONFIG_CMD_FLASH
--- a/board/netstar/netstar.c	2009-03-16 15:43:59.000000000 +0100
+++ b/board/netstar/netstar.c	2009-03-16 15:44:51.000000000 +0100
@@ -22,6 +22,7 @@
 
 #include <common.h>
 #include <flash.h>
+#include <i2c.h>
 #include <nand.h>
 
 #include <asm/io.h>
@@ -56,6 +57,10 @@
 
 int misc_init_r(void)
 {
+#if defined(CONFIG_RTC_DS1307)
+	/* enable trickle charge */
+	i2c_reg_write(CONFIG_SYS_I2C_RTC_ADDR, 0x10, 0xaa);
+#endif
 	return 0;
 }